ok mvs@
> On 4 Mar 2022, at 19:05, Alexander Bluhm <[email protected]> wrote:
>
> Hi,
>
> in_addmulti() is only called from ioctl(2) or setsockopt(2). Wait
> for malloc(9) to make the system call reliable.
>
> ok?
>
> bluhm
>
> Index: netinet/in.c
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/sys/netinet/in.c,v
> retrieving revision 1.171
> diff -u -p -r1.171 in.c
> --- netinet/in.c 10 Mar 2021 10:21:48 -0000 1.171
> +++ netinet/in.c 4 Mar 2022 15:42:55 -0000
> @@ -866,10 +866,7 @@ in_addmulti(struct in_addr *ap, struct i
> * New address; allocate a new multicast record
> * and link it into the interface's multicast list.
> */
> - inm = malloc(sizeof(*inm), M_IPMADDR, M_NOWAIT | M_ZERO);
> - if (inm == NULL)
> - return (NULL);
> -
> + inm = malloc(sizeof(*inm), M_IPMADDR, M_WAITOK | M_ZERO);
> inm->inm_sin.sin_len = sizeof(struct sockaddr_in);
> inm->inm_sin.sin_family = AF_INET;
> inm->inm_sin.sin_addr = *ap;
>
